3. The narrator's statement in highlighted portion(【】里的内容) most directly refers back to Khiem's:

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

L66-67: "But at the same time, he felt happy, immersed in the sense of security he had just gained"

The sense of security mentioned here can be located in L48-51, he is very Enjoy lying on the beach, feeling lighter and leaving behind all the pain and troubles you had before. So you should choose B